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/*
* VFIO BASE CONTAINER
*
* Copyright (C) 2023 Intel Corporation.
* Copyright Red Hat, Inc. 2023
*
* Authors: Yi Liu <yi.l.liu@intel.com>
* Eric Auger <eric.auger@redhat.com>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qemu/error-report.h"
#include "hw/vfio/vfio-container-base.h"
int vfio_container_dma_map(VFIOContainerBase *bcontainer,
hwaddr iova, ram_addr_t size,
void *vaddr, bool readonly)
{
g_assert(bcontainer->ops->dma_map);
return bcontainer->ops->dma_map(bcontainer, iova, size, vaddr, readonly);
}
int vfio_container_dma_unmap(VFIOContainerBase *bcontainer,
hwaddr iova, ram_addr_t size,
IOMMUTLBEntry *iotlb)
{
g_assert(bcontainer->ops->dma_unmap);
return bcontainer->ops->dma_unmap(bcontainer, iova, size, iotlb);
}
int vfio_container_add_section_window(VFIOContainerBase *bcontainer,
MemoryRegionSection *section,
Error **errp)
{
if (!bcontainer->ops->add_window) {
return 0;
}
return bcontainer->ops->add_window(bcontainer, section, errp);
}
void vfio_container_del_section_window(VFIOContainerBase *bcontainer,
MemoryRegionSection *section)
{
if (!bcontainer->ops->del_window) {
return;
}
return bcontainer->ops->del_window(bcontainer, section);
}
int vfio_container_set_dirty_page_tracking(VFIOContainerBase *bcontainer,
bool start)
{
if (!bcontainer->dirty_pages_supported) {
return 0;
}
g_assert(bcontainer->ops->set_dirty_page_tracking);
return bcontainer->ops->set_dirty_page_tracking(bcontainer, start);
}
int vfio_container_query_dirty_bitmap(const VFIOContainerBase *bcontainer,
VFIOBitmap *vbmap,
hwaddr iova, hwaddr size)
{
g_assert(bcontainer->ops->query_dirty_bitmap);
return bcontainer->ops->query_dirty_bitmap(bcontainer, vbmap, iova, size);
}
void vfio_container_init(VFIOContainerBase *bcontainer, VFIOAddressSpace *space,
const VFIOIOMMUClass *ops)
{
bcontainer->ops = ops;
bcontainer->space = space;
bcontainer->error = NULL;
bcontainer->dirty_pages_supported = false;
bcontainer->dma_max_mappings = 0;
bcontainer->iova_ranges = NULL;
QLIST_INIT(&bcontainer->giommu_list);
QLIST_INIT(&bcontainer->vrdl_list);
}
void vfio_container_destroy(VFIOContainerBase *bcontainer)
{
VFIOGuestIOMMU *giommu, *tmp;
QLIST_REMOVE(bcontainer, next);
QLIST_FOREACH_SAFE(giommu, &bcontainer->giommu_list, giommu_next, tmp) {
memory_region_unregister_iommu_notifier(
MEMORY_REGION(giommu->iommu_mr), &giommu->n);
QLIST_REMOVE(giommu, giommu_next);
g_free(giommu);
}
g_list_free_full(bcontainer->iova_ranges, g_free);
}
static const TypeInfo types[] = {
{
.name = TYPE_VFIO_IOMMU,
.parent = TYPE_INTERFACE,
.class_size = sizeof(VFIOIOMMUClass),
},
};
DEFINE_TYPES(types)
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